SpaceXAIHouse pick
Grok 1.5 Lite AI video generator
The cheapest clip we offer, at 17 credits a second. All three of ours came back in under 30 seconds.
- 17 credits · 1s clip
- 1–15s clip per run
- Start frame
- up to 1080p · 16:9 · 9:16 · 1:1 · 4:3 · 3:4 · 3:2 · 2:3
What it does best
Every line here comes from our own runs of Grok 1.5 Lite.
Back in seconds
Our three 5-second clips took 23, 28 and 29 seconds, with sound, run side by side. On average, that was the quickest of the seven models we tested that day.
3 runs in 23 to 29 s, the fastest of 7 models
Drafts that hold up
Our runner kept the same coat and face as she ran up to the camera. The latte pour built a tulip and finished it before the jug lifted.
Same runner throughout; the tulip formed during the pour
What it costs
Per second of video, 720p
17 credits
- 480p 17 credits
- 720p 17 credits
- 1080p 70 credits
- 1s clip 17 credits
- 15s clip 255 credits
Generate shows what the clip you set up costs: its resolution's price for each second of it, nothing more. A failed clip gives its credits back. New accounts get 100 credits free.
- Aspect ratios
- 16:9
- 9:16
- 1:1
- 4:3
- 3:4
- 3:2
- 2:3
- Length
- Any length from 1 to 15 seconds
- Resolution
- 480p, 720p or 1080p
- Frames
- Start frame
- Sound
- Generated with the picture
- Commercial use
- Yes, you own the output. xAI's terms give it to you. When you post it, credit it "Created with Grok".
Prompt tips
What changed Grok 1.5 Lite's results in our runs.
Draft here, finish on 1.5
Lite and Grok Imagine 1.5 take the same settings. Get the prompt right at 17 credits a second, then rerun it at 72.
same prompt, then switch to Grok Imagine 1.5Ask for 720p
The price is the same at 480p and 720p, so take the sharper one. All our runs were 720p.
resolution 720pSay where the camera is
Our rally car drove away from the camera when we didn't say. Name the angle if it matters.
the car drifts toward the camera
When to pick another
Grok 1.5 Lite isn't the answer to everything. Here's what we'd use instead.
- Ready for the final cut?Grok Imagine 1.5The full Grok Imagine 1.5 took the same rally prompt and kept the car side-on to the camera in its drift.72 credits a 1s clip
- Need it cheap with Google's look?Veo 3.1 LiteVeo 3.1 Lite is 25 credits a second, the next cheapest, with sound.100 credits a 4s clip
- Starting from a still?Kling 3.0Kling 3.0 is the one we've tested with start and end frames.513 credits a 3s clip
Questions
How much does a Grok Imagine 1.5 Lite clip cost?
17 credits a second at 480p or 720p and 70 at 1080p. 720p is the default. A 15-second clip costs 255 credits at 480p or 720p and 1,050 at 1080p. A failed clip gives its credits back.
Which aspect ratios does Grok Imagine 1.5 Lite support?
16:9, 9:16, 1:1, 4:3, 3:4, 3:2 and 2:3. We tried 16:9 and 9:16.
Can I start a Grok Imagine 1.5 Lite clip from an image?
Yes, it takes a start frame. It doesn't take an end frame. We haven't tried a start frame on it yet.
Can I use Grok Imagine 1.5 Lite clips commercially?
Yes. You own what you make and can use it for any lawful purpose, personal or commercial. Our Terms of Service, section 5, have the details. When you publish a clip, xAI asks you to credit it "Created with Grok".
Start with 100 credits free.
New accounts get 100 credits free. A 1-second Grok 1.5 Lite clip is 17 credits.
Start with Grok 1.5 Lite